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                    Introduction
            
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                    开始学习（Get Start）
            
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                    安装Qt5软件工具包（Installing Qt 5 SDK）
            
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                    Qt Creator集成开发环境（Qt Creator IDE）
            
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                    用户界面（The User Interface）
            
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                    注册你的Qt工具箱（Registering your Qt Kit）
            
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                    项目管理（Managing Projects）
            
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                    使用编辑器（Using the Editor）
            
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                    定位器（Locator）
            
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                    调试（Debugging）
            
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                    快捷键（Shortcuts）
            
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                    QML快速入门（Quick Starter）
            
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                    QML语法（QML Syntax）
            
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                    基本元素（Basic Elements）
            
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                    组件（Compontents）
            
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                    简单的转换（Simple Transformations）
            
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                    定位元素（Positioning Element）
            
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                    布局元素（Layout Items）
            
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                    输入元素（Input Element）
            
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                     高级用法（Advanced Techniques）
            
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                    动态元素（Fluid Elements）
            
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                    动画（Animations）
            
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                    状态与过渡（States and Transitions）
            
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                    高级用法（Advanced Techniques）
            
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                    模型-视图-代理（Model-View-Delegate）
            
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        <li class="chapter " data-level="1.7.1" data-path="../model-view-delegate/concept.html">
            
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                    概念（Concept）
            
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        <li class="chapter " data-level="1.7.2" data-path="../model-view-delegate/basic_model.html">
            
                <a href="../model-view-delegate/basic_model.html">
            
                    
                    基础模型（Basic Model）
            
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        <li class="chapter " data-level="1.7.3" data-path="../model-view-delegate/dynamic_views.html">
            
                <a href="../model-view-delegate/dynamic_views.html">
            
                    
                    动态视图（Dynamic Views）
            
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        <li class="chapter " data-level="1.7.4" data-path="../model-view-delegate/delegate.html">
            
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                    代理（Delegate）
            
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        <li class="chapter " data-level="1.7.5" data-path="../model-view-delegate/advanced_techniques.html">
            
                <a href="../model-view-delegate/advanced_techniques.html">
            
                    
                    高级用法（Advanced Techniques）
            
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        <li class="chapter " data-level="1.7.6" data-path="../model-view-delegate/summary.html">
            
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                    总结（Summary）
            
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        <li class="chapter " data-level="1.8" data-path="../canvas_element/">
            
                <a href="../canvas_element/">
            
                    
                    画布元素（Canvas Element）
            
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        <li class="chapter " data-level="1.8.1" data-path="../canvas_element/convenient_api.html">
            
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                    便捷的接口（Convenient API）
            
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        <li class="chapter " data-level="1.8.2" data-path="../canvas_element/gradients.html">
            
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                    渐变（Gradients）
            
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        <li class="chapter " data-level="1.8.3" data-path="../canvas_element/shadows.html">
            
                <a href="../canvas_element/shadows.html">
            
                    
                    阴影（Shadows）
            
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        <li class="chapter " data-level="1.8.4" data-path="../canvas_element/images.html">
            
                <a href="../canvas_element/images.html">
            
                    
                    图片（Images）
            
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        <li class="chapter " data-level="1.8.5" data-path="../canvas_element/transformation.html">
            
                <a href="../canvas_element/transformation.html">
            
                    
                    转换（Transformation）
            
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        <li class="chapter " data-level="1.8.6" data-path="../canvas_element/composition_mode.html">
            
                <a href="../canvas_element/composition_mode.html">
            
                    
                    组合模式（Composition Mode）
            
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        <li class="chapter " data-level="1.8.7" data-path="../canvas_element/pixels_buffer.html">
            
                <a href="../canvas_element/pixels_buffer.html">
            
                    
                    像素缓冲（Pixels Buffer）
            
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        <li class="chapter " data-level="1.8.8" data-path="../canvas_element/canvas_paint.html">
            
                <a href="../canvas_element/canvas_paint.html">
            
                    
                    画布绘制（Canvas Paint）
            
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        <li class="chapter " data-level="1.8.9" data-path="../canvas_element/html5porting_from_html5_canvas.html">
            
                <a href="../canvas_element/html5porting_from_html5_canvas.html">
            
                    
                    HTML5画布移植（Porting from HTML5 Canvas）
            
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        <li class="chapter " data-level="1.9" data-path="../particle_simulations/">
            
                <a href="../particle_simulations/">
            
                    
                    粒子模拟（Particle Simulations）
            
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        <li class="chapter " data-level="1.9.1" data-path="../particle_simulations/concept.html">
            
                <a href="../particle_simulations/concept.html">
            
                    
                    概念（Concept）
            
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        <li class="chapter " data-level="1.9.2" data-path="../particle_simulations/simple_simulation.html">
            
                <a href="../particle_simulations/simple_simulation.html">
            
                    
                    简单的模拟（Simple Simulation）
            
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        <li class="chapter " data-level="1.9.3" data-path="../particle_simulations/particle_parameters.html">
            
                <a href="../particle_simulations/particle_parameters.html">
            
                    
                    粒子参数（Particle Parameters）
            
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        <li class="chapter " data-level="1.9.4" data-path="../particle_simulations/directed_particle.html">
            
                <a href="../particle_simulations/directed_particle.html">
            
                    
                    粒子方向（Directed Particle）
            
                </a>
            

            
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        <li class="chapter " data-level="1.9.5" data-path="../particle_simulations/particle_painter.html">
            
                <a href="../particle_simulations/particle_painter.html">
            
                    
                    粒子画笔（Particle Painter）
            
                </a>
            

            
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        <li class="chapter " data-level="1.9.6" data-path="../particle_simulations/affecting_particles.html">
            
                <a href="../particle_simulations/affecting_particles.html">
            
                    
                    粒子控制（Affecting Particles）
            
                </a>
            

            
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        <li class="chapter " data-level="1.9.7" data-path="../particle_simulations/particle_group.html">
            
                <a href="../particle_simulations/particle_group.html">
            
                    
                    粒子组（Particle Group）
            
                </a>
            

            
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        <li class="chapter " data-level="1.9.8" data-path="../particle_simulations/summary.html">
            
                <a href="../particle_simulations/summary.html">
            
                    
                    总结（Summary）
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.10" data-path="./">
            
                <a href="./">
            
                    
                    着色器效果（Shader Effect）
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.10.1" data-path="openglopengl_shader.html">
            
                <a href="openglopengl_shader.html">
            
                    
                    OpenGL着色器（OpenGL Shader）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.10.2" data-path="shader_elements.html">
            
                <a href="shader_elements.html">
            
                    
                    着色器元素（Shader Elements）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.10.3" data-path="fragement_shader.html">
            
                <a href="fragement_shader.html">
            
                    
                    片段着色器（Fragement Shader）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.10.4" data-path="wave_effect.html">
            
                <a href="wave_effect.html">
            
                    
                    波浪效果（Wave Effect）
            
                </a>
            

            
        </li>
    
        <li class="chapter active" data-level="1.10.5" data-path="vertex_shader.html">
            
                <a href="vertex_shader.html">
            
                    
                    顶点着色器（Vertex Shader）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.10.6" data-path="curtain_effect.html">
            
                <a href="curtain_effect.html">
            
                    
                    剧幕效果（Curtain Effect）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.10.7" data-path="qtqt_graphicseffect_library.html">
            
                <a href="qtqt_graphicseffect_library.html">
            
                    
                    Qt图像效果库（Qt GraphicsEffect Library）
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.11" data-path="../multimedia/">
            
                <a href="../multimedia/">
            
                    
                    多媒体（Multimedia）
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.11.1" data-path="../multimedia/playing_media.html">
            
                <a href="../multimedia/playing_media.html">
            
                    
                    媒体播放（Playing Media）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.11.2" data-path="../multimedia/sounds_effects.html">
            
                <a href="../multimedia/sounds_effects.html">
            
                    
                    声音效果（Sounds Effects）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.11.3" data-path="../multimedia/video_streams.html">
            
                <a href="../multimedia/video_streams.html">
            
                    
                    视频流（Video Streams）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.11.4" data-path="../multimedia/capturing_images.html">
            
                <a href="../multimedia/capturing_images.html">
            
                    
                    捕捉图像（Capturing Images）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.11.5" data-path="../multimedia/advanced_techniques.html">
            
                <a href="../multimedia/advanced_techniques.html">
            
                    
                    高级用法（Advanced Techniques）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.11.6" data-path="../multimedia/summary.html">
            
                <a href="../multimedia/summary.html">
            
                    
                    总结（Summary）
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.12" data-path="../networking/">
            
                <a href="../networking/">
            
                    
                    网络（Networking）
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.12.1" data-path="../networking/httpuiserving_ui_via_http.html">
            
                <a href="../networking/httpuiserving_ui_via_http.html">
            
                    
                    通过HTTP服务UI（Serving UI via HTTP）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.12.2" data-path="../networking/templating.html">
            
                <a href="../networking/templating.html">
            
                    
                    模板（Templating）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.12.3" data-path="../networking/httphttp_requests.html">
            
                <a href="../networking/httphttp_requests.html">
            
                    
                    HTTP请求（HTTP Requests）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.12.4" data-path="../networking/local_files.html">
            
                <a href="../networking/local_files.html">
            
                    
                    本地文件（Local files）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.12.5" data-path="../networking/restrest_api.html">
            
                <a href="../networking/restrest_api.html">
            
                    
                    REST接口（REST API）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.12.6" data-path="../networking/authentication_using_oauth.html">
            
                <a href="../networking/authentication_using_oauth.html">
            
                    
                    使用开放授权登陆验证（Authentication using OAuth）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.12.7" data-path="../networking/engine_io.html">
            
                <a href="../networking/engine_io.html">
            
                    
                    云服务（Engine IO）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.12.8" data-path="../networking/web_sockets.html">
            
                <a href="../networking/web_sockets.html">
            
                    
                    Web Sockets
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.12.9" data-path="../networking/summary.html">
            
                <a href="../networking/summary.html">
            
                    
                    总结（Summary）
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.13" data-path="../storage/">
            
                <a href="../storage/">
            
                    
                    存储（Storage）
            
                </a>
            

            
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        <li class="chapter " data-level="1.13.1" data-path="../storage/settings.html">
            
                <a href="../storage/settings.html">
            
                    
                    配置（Settings）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.13.2" data-path="../storage/local_storage_-_sql.html">
            
                <a href="../storage/local_storage_-_sql.html">
            
                    
                    本地存储 - SQL（Local Storage - SQL）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.13.3" data-path="../storage/other_storage_apis.html">
            
                <a href="../storage/other_storage_apis.html">
            
                    
                    其它存储接口（Other Storage APIs）
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.14" data-path="../dynamic_qml/">
            
                <a href="../dynamic_qml/">
            
                    
                    动态QML（Dynamic QML）
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.14.1" data-path="../dynamic_qml/loading_components_dynamically.html">
            
                <a href="../dynamic_qml/loading_components_dynamically.html">
            
                    
                    动态加载组件（Loading Components Dynamically）
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.14.1.1" data-path="../dynamic_qml/connecting_indirectly.html">
            
                <a href="../dynamic_qml/connecting_indirectly.html">
            
                    
                    间接连接（Connecting Indirectly）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.14.1.2" data-path="../dynamic_qml/binding_indirectly.html">
            
                <a href="../dynamic_qml/binding_indirectly.html">
            
                    
                    间接绑定（Binding Indirectly）
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.14.2" data-path="../dynamic_qml/creating_and_destroying_objects.html">
            
                <a href="../dynamic_qml/creating_and_destroying_objects.html">
            
                    
                    创建与销毁对象（Creating and Destroying Objects）
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.14.2.1" data-path="../dynamic_qml/dynamically_loading_and_instantiating_items.html">
            
                <a href="../dynamic_qml/dynamically_loading_and_instantiating_items.html">
            
                    
                    动态加载和实例化项（Dynamically Loading and Instantiating Items）
            
                </a>
            

            
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        <li class="chapter " data-level="1.14.2.2" data-path="../dynamic_qml/dynamically_instantiating_items_from_text.html">
            
                <a href="../dynamic_qml/dynamically_instantiating_items_from_text.html">
            
                    
                    从文本中动态实例化项（Dynamically Instantiating Items from Text）
            
                </a>
            

            
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                <a href="../dynamic_qml/managing_dynamically_created_elements.html">
            
                    
                    管理动态创建的元素（Managing Dynamically Created Elements）
            
                </a>
            

            
        </li>
    

            </ul>
            
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        <li class="chapter " data-level="1.14.3" data-path="../dynamic_qml/tracking_dynamic_objects.html">
            
                <a href="../dynamic_qml/tracking_dynamic_objects.html">
            
                    
                    跟踪动态对象（Tracking Dynamic Objects）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.14.4" data-path="../dynamic_qml/summary.html">
            
                <a href="../dynamic_qml/summary.html">
            
                    
                    总结（Summary）
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.15" data-path="../javascript/">
            
                <a href="../javascript/">
            
                    
                    JavaScript
            
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            <ul class="articles">
                
    
        <li class="chapter " data-level="1.15.1" data-path="../javascript/browserhtml_vs_qtquickqml.html">
            
                <a href="../javascript/browserhtml_vs_qtquickqml.html">
            
                    
                    浏览器/HTML与QtQuick/QML对比（Browser/HTML vs QtQuick/QML）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.15.2" data-path="../javascript/the_language.html">
            
                <a href="../javascript/the_language.html">
            
                    
                    JavaScript语法（The Language）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.15.3" data-path="../javascript/js_objects.html">
            
                <a href="../javascript/js_objects.html">
            
                    
                    JS对象（JS Objects）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.15.4" data-path="../javascript/creating_a_js_console.html">
            
                <a href="../javascript/creating_a_js_console.html">
            
                    
                    创建JS控制台（Creating a JS Console）
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.16" data-path="../qt_and_c++/">
            
                <a href="../qt_and_c++/">
            
                    
                    Qt and C++
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.16.1" data-path="../qt_and_c++/a_boilerplate_application.html">
            
                <a href="../qt_and_c++/a_boilerplate_application.html">
            
                    
                    演示程序（A Boilerplate Application）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.16.2" data-path="../qt_and_c++/the_qobject.html">
            
                <a href="../qt_and_c++/the_qobject.html">
            
                    
                    Qt对象（The QObject）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.16.3" data-path="../qt_and_c++/build_systems.html">
            
                <a href="../qt_and_c++/build_systems.html">
            
                    
                    编译系统（Build Systems）
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.16.3.1" data-path="../qt_and_c++/qmake.html">
            
                <a href="../qt_and_c++/qmake.html">
            
                    
                    QMake
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.16.3.2" data-path="../qt_and_c++/cmake.html">
            
                <a href="../qt_and_c++/cmake.html">
            
                    
                    CMake
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.16.4" data-path="../qt_and_c++/common_qt_classes.html">
            
                <a href="../qt_and_c++/common_qt_classes.html">
            
                    
                    Qt通用类（Common Qt Classes）
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.16.4.1" data-path="../qt_and_c++/qstring.html">
            
                <a href="../qt_and_c++/qstring.html">
            
                    
                    QString
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.16.4.2" data-path="../qt_and_c++/sequential_containers.html">
            
                <a href="../qt_and_c++/sequential_containers.html">
            
                    
                    顺序容器（Sequential Containers）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.16.4.3" data-path="../qt_and_c++/associative_containers.html">
            
                <a href="../qt_and_c++/associative_containers.html">
            
                    
                    组合容器（Associative Containers）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.16.4.4" data-path="../qt_and_c++/file_io.html">
            
                <a href="../qt_and_c++/file_io.html">
            
                    
                    文件IO（File IO）
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.16.5" data-path="../qt_and_c++/models_in_c++.html">
            
                <a href="../qt_and_c++/models_in_c++.html">
            
                    
                    C++数据模型（Models in C++）
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.16.5.1" data-path="../qt_and_c++/a_simple_model.html">
            
                <a href="../qt_and_c++/a_simple_model.html">
            
                    
                    一个简单的模型（A simple model）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.16.5.2" data-path="../qt_and_c++/more_complex_data.html">
            
                <a href="../qt_and_c++/more_complex_data.html">
            
                    
                    更复杂的数据（More Complex Data）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.16.5.3" data-path="../qt_and_c++/dynamic_data.html">
            
                <a href="../qt_and_c++/dynamic_data.html">
            
                    
                    动态数据（Dynamic Data）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.16.5.4" data-path="../qt_and_c++/advanced_techniques.html">
            
                <a href="../qt_and_c++/advanced_techniques.html">
            
                    
                    进阶技巧（Advanced Techniques）
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.17" data-path="../extending_qml_with_c++/">
            
                <a href="../extending_qml_with_c++/">
            
                    
                    C++扩展QML（Extending QML with C++）
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.17.1" data-path="../extending_qml_with_c++/understanding_the_qml_run-time.html">
            
                <a href="../extending_qml_with_c++/understanding_the_qml_run-time.html">
            
                    
                    理解QML运行环境（Understanding the QML Run-time）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.17.2" data-path="../extending_qml_with_c++/plugin_content.html">
            
                <a href="../extending_qml_with_c++/plugin_content.html">
            
                    
                    插件内容（Plugin Content）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.17.3" data-path="../extending_qml_with_c++/creating_the_plugin.html">
            
                <a href="../extending_qml_with_c++/creating_the_plugin.html">
            
                    
                    创建插件（Creating the plugin）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.17.4" data-path="../extending_qml_with_c++/fileio_implementation.html">
            
                <a href="../extending_qml_with_c++/fileio_implementation.html">
            
                    
                    FileIO实现（FileIO Implementation）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.17.5" data-path="../extending_qml_with_c++/using_fileio.html">
            
                <a href="../extending_qml_with_c++/using_fileio.html">
            
                    
                    使用FileIO（Using FileIO）
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.17.5.1" data-path="../extending_qml_with_c++/the_application_window.html">
            
                <a href="../extending_qml_with_c++/the_application_window.html">
            
                    
                    应用程序窗口（The Application Window）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.17.5.2" data-path="../extending_qml_with_c++/using_actions.html">
            
                <a href="../extending_qml_with_c++/using_actions.html">
            
                    
                    使用动作（Using Actions）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.17.5.3" data-path="../extending_qml_with_c++/formatting_the_table.html">
            
                <a href="../extending_qml_with_c++/formatting_the_table.html">
            
                    
                    格式化表格（Formatting the Table）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.17.5.4" data-path="../extending_qml_with_c++/reading_data.html">
            
                <a href="../extending_qml_with_c++/reading_data.html">
            
                    
                    读取数据（Reading Data）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.17.5.5" data-path="../extending_qml_with_c++/writing_data.html">
            
                <a href="../extending_qml_with_c++/writing_data.html">
            
                    
                    写入数据（Writing Data）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.17.5.6" data-path="../extending_qml_with_c++/finishing_touch.html">
            
                <a href="../extending_qml_with_c++/finishing_touch.html">
            
                    
                    收尾工作（Finishing Touch）
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.17.6" data-path="../extending_qml_with_c++/summary.html">
            
                <a href="../extending_qml_with_c++/summary.html">
            
                    
                    总结（Summary）
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.18" data-path="../other/">
            
                <a href="../other/">
            
                    
                    其它（Other）
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.18.1" data-path="../other/assets.html">
            
                <a href="../other/assets.html">
            
                    
                    示例源码
            
                </a>
            

            
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        <li class="chapter " data-level="1.18.2" data-path="../other/enginsh_to_chinses.html">
            
                <a href="../other/enginsh_to_chinses.html">
            
                    
                    术语英汉对照表
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.18.3" data-path="../other/book_format.html">
            
                <a href="../other/book_format.html">
            
                    
                    格式定义
            
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        <li class="chapter " data-level="1.18.4" data-path="../other/collaboration_correction.html">
            
                <a href="../other/collaboration_correction.html">
            
                    
                    协作校正
            
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                                <h1 id="&#x9876;&#x70B9;&#x7740;&#x8272;&#x5668;&#xFF08;vertex-shader&#xFF09;">&#x9876;&#x70B9;&#x7740;&#x8272;&#x5668;&#xFF08;Vertex Shader&#xFF09;</h1>
<p>&#x9876;&#x70B9;&#x7740;&#x8272;&#x5668;&#x7528;&#x6765;&#x64CD;&#x4F5C;ShaderEffect&#x63D0;&#x4F9B;&#x7684;&#x9876;&#x70B9;&#x3002;&#x6B63;&#x5E38;&#x60C5;&#x51B5;&#x4E0B;&#xFF0C;ShaderEffect&#x6709;4&#x4E2A;&#x9876;&#x70B9;&#xFF08;&#x5DE6;&#x4E0A;top-left&#xFF0C;&#x53F3;&#x4E0A;top-right&#xFF0C;&#x5DE6;&#x4E0B;bottom-left&#xFF0C;&#x53F3;&#x4E0B;bottom-right&#xFF09;&#x3002;&#x6BCF;&#x4E2A;&#x9876;&#x70B9;&#x4F7F;&#x7528;vec4&#x7C7B;&#x578B;&#x8BB0;&#x5F55;&#x3002;&#x4E3A;&#x4E86;&#x5B9E;&#x73B0;&#x9876;&#x70B9;&#x7740;&#x8272;&#x5668;&#x7684;&#x53EF;&#x89C6;&#x5316;&#xFF0C;&#x6211;&#x4EEC;&#x5C06;&#x7F16;&#x5199;&#x4E00;&#x4E2A;&#x5438;&#x6536;&#x7684;&#x6548;&#x679C;&#x3002;&#x8FD9;&#x4E2A;&#x6548;&#x679C;&#x901A;&#x5E38;&#x88AB;&#x7528;&#x6765;&#x8BA9;&#x4E00;&#x4E2A;&#x77E9;&#x5F62;&#x7A97;&#x53E3;&#x6D88;&#x5931;&#x4E3A;&#x4E00;&#x4E2A;&#x70B9;&#x3002;</p>
<p><img src="http://qmlbook.org/_images/genieeffect.png" alt=""></p>
<p><strong>&#x914D;&#x7F6E;&#x573A;&#x666F;&#xFF08;Setting up the scene&#xFF09;</strong></p>
<p>&#x9996;&#x5148;&#x6211;&#x4EEC;&#x518D;&#x4E00;&#x6B21;&#x914D;&#x7F6E;&#x573A;&#x666F;&#x3002;</p>
<pre><code>import QtQuick 2.0

Rectangle {
    width: 480; height: 240
    color: &apos;#1e1e1e&apos;

    Image {
        id: sourceImage
        width: 160; height: width
        source: &quot;assets/lighthouse.jpg&quot;
        visible: false
    }
    Rectangle {
        width: 160; height: width
        anchors.centerIn: parent
        color: &apos;#333333&apos;
    }
    ShaderEffect {
        id: genieEffect
        width: 160; height: width
        anchors.centerIn: parent
        property variant source: sourceImage
        property bool minimized: false
        MouseArea {
            anchors.fill: parent
            onClicked: genieEffect.minimized = !genieEffect.minimized
        }
    }
}
</code></pre><p>&#x8FD9;&#x4E2A;&#x573A;&#x666F;&#x4F7F;&#x7528;&#x4E86;&#x4E00;&#x4E2A;&#x9ED1;&#x8272;&#x80CC;&#x666F;&#xFF0C;&#x5E76;&#x4E14;&#x63D0;&#x4F9B;&#x4E86;&#x4E00;&#x4E2A;&#x4F7F;&#x7528;&#x56FE;&#x7247;&#x4F5C;&#x4E3A;&#x8D44;&#x6E90;&#x7EB9;&#x7406;&#x7684;ShaderEffect&#x3002;&#x4F7F;&#x7528;image&#x5143;&#x7D20;&#x7684;&#x539F;&#x56FE;&#x7247;&#x662F;&#x4E0D;&#x53EF;&#x89C1;&#x7684;&#xFF0C;&#x53EA;&#x662F;&#x7ED9;&#x6211;&#x4EEC;&#x7684;&#x5438;&#x6536;&#x6548;&#x679C;&#x63D0;&#x4F9B;&#x8D44;&#x6E90;&#x3002;&#x6B64;&#x5916;&#x6211;&#x4EEC;&#x5728;ShaderEffect&#x7684;&#x4F4D;&#x7F6E;&#x6DFB;&#x52A0;&#x4E86;&#x4E00;&#x4E2A;&#x540C;&#x6837;&#x5927;&#x5C0F;&#x7684;&#x9ED1;&#x8272;&#x77E9;&#x5F62;&#x6846;&#xFF0C;&#x8FD9;&#x6837;&#x6211;&#x4EEC;&#x53EF;&#x4EE5;&#x66F4;&#x52A0;&#x660E;&#x786E;&#x7684;&#x77E5;&#x9053;&#x6211;&#x4EEC;&#x9700;&#x8981;&#x70B9;&#x51FB;&#x54EA;&#x91CC;&#x6765;&#x91CD;&#x7F6E;&#x6548;&#x679C;&#x3002;</p>
<p><img src="http://qmlbook.org/_images/geniescene.png" alt=""></p>
<p>&#x70B9;&#x51FB;&#x56FE;&#x7247;&#x5C06;&#x4F1A;&#x89E6;&#x53D1;&#x6548;&#x679C;&#xFF0C;MouseArea&#x8986;&#x76D6;&#x4E86;ShaderEffect&#x3002;&#x5728;onClicked&#x64CD;&#x4F5C;&#x4E2D;&#xFF0C;&#x6211;&#x4EEC;&#x7ED1;&#x5B9A;&#x4E86;&#x81EA;&#x5B9A;&#x4E49;&#x7684;&#x5E03;&#x5C14;&#x53D8;&#x91CF;&#x5C5E;&#x6027;minimized&#x3002;&#x6211;&#x4EEC;&#x7A0D;&#x540E;&#x4F7F;&#x7528;&#x8FD9;&#x4E2A;&#x5C5E;&#x6027;&#x6765;&#x89E6;&#x53D1;&#x6548;&#x679C;&#x3002;</p>
<p><strong>&#x6700;&#x5C0F;&#x5316;&#x4E0E;&#x6B63;&#x5E38;&#x5316;&#xFF08;Minimize and normalize&#xFF09;</strong></p>
<p>&#x5728;&#x6211;&#x4EEC;&#x914D;&#x7F6E;&#x597D;&#x573A;&#x666F;&#x540E;&#xFF0C;&#x6211;&#x4EEC;&#x5B9A;&#x4E49;&#x4E00;&#x4E2A;real&#x7C7B;&#x578B;&#x7684;&#x5C5E;&#x6027;&#xFF0C;&#x53EB;&#x505A;minimize&#xFF0C;&#x8FD9;&#x4E2A;&#x5C5E;&#x6027;&#x5305;&#x542B;&#x4E86;&#x6211;&#x4EEC;&#x5F53;&#x524D;&#x6700;&#x5C0F;&#x5316;&#x7684;&#x503C;&#x3002;&#x8FD9;&#x4E2A;&#x503C;&#x5728;0.0&#x5230;1.0&#x4E4B;&#x95F4;&#xFF0C;&#x7531;&#x4E00;&#x4E2A;&#x8FDE;&#x7EED;&#x7684;&#x52A8;&#x753B;&#x6765;&#x63A7;&#x5236;&#x5B83;&#x3002;</p>
<pre><code>        property real minimize: 0.0

        SequentialAnimation on minimize {
            id: animMinimize
            running: genieEffect.minimized
            PauseAnimation { duration: 300 }
            NumberAnimation { to: 1; duration: 700; easing.type: Easing.InOutSine }
            PauseAnimation { duration: 1000 }
        }

        SequentialAnimation on minimize {
            id: animNormalize
            running: !genieEffect.minimized
            NumberAnimation { to: 0; duration: 700; easing.type: Easing.InOutSine }
            PauseAnimation { duration: 1300 }
        }
</code></pre><p>&#x8FD9;&#x4E2A;&#x52A8;&#x753B;&#x7ED1;&#x5B9A;&#x4E86;&#x7531;minimized&#x5C5E;&#x6027;&#x89E6;&#x53D1;&#x3002;&#x73B0;&#x5728;&#x6211;&#x4EEC;&#x5DF2;&#x7ECF;&#x914D;&#x7F6E;&#x597D;&#x6211;&#x4EEC;&#x7684;&#x73AF;&#x5883;&#xFF0C;&#x6700;&#x540E;&#x8BA9;&#x6211;&#x4EEC;&#x770B;&#x770B;&#x9876;&#x70B9;&#x7740;&#x8272;&#x5668;&#x7684;&#x4EE3;&#x7801;&#x3002;</p>
<pre><code>        vertexShader: &quot;
            uniform highp mat4 qt_Matrix;
            attribute highp vec4 qt_Vertex;
            attribute highp vec2 qt_MultiTexCoord0;
            varying highp vec2 qt_TexCoord0;
            uniform highp float minimize;
            uniform highp float width;
            uniform highp float height;
            void main() {
                qt_TexCoord0 = qt_MultiTexCoord0;
                highp vec4 pos = qt_Vertex;
                pos.y = mix(qt_Vertex.y, height, minimize);
                pos.x = mix(qt_Vertex.x, width, minimize);
                gl_Position = qt_Matrix * pos;
            }&quot;
</code></pre><p>&#x9876;&#x70B9;&#x7740;&#x8272;&#x5668;&#x88AB;&#x6BCF;&#x4E2A;&#x9876;&#x70B9;&#x8C03;&#x7528;&#xFF0C;&#x5728;&#x6211;&#x4EEC;&#x8FD9;&#x4E2A;&#x4F8B;&#x5B50;&#x4E2D;&#xFF0C;&#x4E00;&#x5171;&#x8C03;&#x7528;&#x4E86;&#x56DB;&#x6B21;&#x3002;&#x9ED8;&#x8BA4;&#x4E0B;&#x63D0;&#x4F9B;qt&#x5DF2;&#x5B9A;&#x4E49;&#x7684;&#x53C2;&#x6570;&#xFF0C;&#x5982;qt_Matrix&#xFF0C;qt_Vertex&#xFF0C;qt_MultiTexCoord0&#xFF0C;qt_TexCoord0&#x3002;&#x6211;&#x4EEC;&#x5728;&#x4E4B;&#x524D;&#x5DF2;&#x7ECF;&#x8BA8;&#x8BBA;&#x8FC7;&#x8FD9;&#x4E9B;&#x53D8;&#x91CF;&#x3002;&#x6B64;&#x5916;&#x6211;&#x4EEC;&#x4ECE;ShaderEffect&#x4E2D;&#x94FE;&#x63A5;minimize&#xFF0C;width&#x4E0E;height&#x7684;&#x503C;&#x5230;&#x6211;&#x4EEC;&#x7684;&#x9876;&#x70B9;&#x7740;&#x8272;&#x5668;&#x4EE3;&#x7801;&#x4E2D;&#x3002;&#x5728;main&#x51FD;&#x6570;&#x4E2D;&#xFF0C;&#x6211;&#x4EEC;&#x5C06;&#x5F53;&#x524D;&#x7EB9;&#x7406;&#x503C;&#x4FDD;&#x5B58;&#x5728;qt_TexCoord()&#x4E2D;&#xFF0C;&#x8BA9;&#x5B83;&#x5728;&#x7247;&#x6BB5;&#x7740;&#x8272;&#x5668;&#x4E2D;&#x53EF;&#x7528;&#x3002;&#x73B0;&#x5728;&#x6211;&#x4EEC;&#x62F7;&#x8D1D;&#x5F53;&#x524D;&#x4F4D;&#x7F6E;&#xFF0C;&#x5E76;&#x4FEE;&#x6539;&#x9876;&#x70B9;&#x7684;x,y&#x7684;&#x4F4D;&#x7F6E;&#x3002;</p>
<pre><code>highp vec4 pos = qt_Vertex;
pos.y = mix(qt_Vertex.y, height, minimize);
pos.x = mix(qt_Vertex.x, width, minimize);
</code></pre><p>mix(...)&#x51FD;&#x6570;&#x63D0;&#x4F9B;&#x4E86;&#x4E00;&#x79CD;&#x5728;&#x4E24;&#x4E2A;&#x53C2;&#x6570;&#x4E4B;&#x95F4;&#xFF08;0.0&#x5230;1.0&#xFF09;&#x7684;&#x7EBF;&#x6027;&#x63D2;&#x503C;&#x7684;&#x7B97;&#x6CD5;&#x3002;&#x5728;&#x6211;&#x4EEC;&#x7684;&#x4F8B;&#x5B50;&#x4E2D;&#xFF0C;&#x5728;&#x5F53;&#x524D;y&#x503C;&#x4E0E;&#x9AD8;&#x5EA6;&#x503C;&#x4E4B;&#x95F4;&#x57FA;&#x4E8E;minimize&#x7684;&#x503C;&#x63D2;&#x503C;&#x83B7;&#x5F97;y&#x503C;&#xFF0C;x&#x7684;&#x503C;&#x83B7;&#x53D6;&#x7C7B;&#x4F3C;&#x3002;&#x8BB0;&#x4F4F;minimize&#x7684;&#x503C;&#x662F;&#x7531;&#x6211;&#x4EEC;&#x7684;&#x8FDE;&#x7EED;&#x52A8;&#x753B;&#x63A7;&#x5236;&#xFF0C;&#x5E76;&#x4E14;&#x5728;0.0&#x5230;1.0&#x4E4B;&#x95F4;&#xFF08;&#x53CD;&#x4E4B;&#x4EA6;&#x7136;&#xFF09;&#x3002;</p>
<p><img src="http://qmlbook.org/_images/genieminimize.png" alt=""></p>
<p>&#x8FD9;&#x4E2A;&#x7ED3;&#x679C;&#x7684;&#x6548;&#x679C;&#x4E0D;&#x662F;&#x771F;&#x6B63;&#x5438;&#x6536;&#x6548;&#x679C;&#xFF0C;&#x4F46;&#x662F;&#x5DF2;&#x7ECF;&#x80FD;&#x671D;&#x7740;&#x8FD9;&#x4E2A;&#x76EE;&#x6807;&#x5B8C;&#x6210;&#x4E86;&#x4E00;&#x5927;&#x6B65;&#x3002;</p>
<p><strong>&#x57FA;&#x7840;&#x5F2F;&#x66F2;&#xFF08;Primitive Bending&#xFF09;</strong></p>
<p>&#x6211;&#x4EEC;&#x5DF2;&#x7ECF;&#x5B8C;&#x6210;&#x4E86;&#x6700;&#x5C0F;&#x5316;&#x6211;&#x4EEC;&#x7684;&#x5750;&#x6807;&#x3002;&#x73B0;&#x5728;&#x6211;&#x4EEC;&#x60F3;&#x8981;&#x4FEE;&#x6539;&#x4E00;&#x4E0B;&#x5BF9;x&#x503C;&#x7684;&#x64CD;&#x4F5C;&#xFF0C;&#x8BA9;&#x5B83;&#x4F9D;&#x8D56;&#x5F53;&#x524D;&#x7684;y&#x503C;&#x3002;&#x8FD9;&#x4E2A;&#x6539;&#x53D8;&#x5F88;&#x7B80;&#x5355;&#x3002;y&#x503C;&#x8BA1;&#x7B97;&#x5728;&#x524D;&#x3002;x&#x503C;&#x7684;&#x63D2;&#x503C;&#x57FA;&#x4E8E;&#x5F53;&#x524D;&#x9876;&#x70B9;&#x7684;y&#x5750;&#x6807;&#x3002;</p>
<pre><code>highp float t = pos.y / height;
pos.x = mix(qt_Vertex.x, width, t * minimize);
</code></pre><p>&#x8FD9;&#x4E2A;&#x7ED3;&#x679C;&#x9020;&#x6210;&#x5F53;y&#x503C;&#x6BD4;&#x8F83;&#x5927;&#x65F6;&#xFF0C;x&#x7684;&#x4F4D;&#x7F6E;&#x66F4;&#x9760;&#x8FD1;width&#x7684;&#x503C;&#x3002;&#x4E5F;&#x5C31;&#x662F;&#x8BF4;&#x4E0A;&#x9762;2&#x4E2A;&#x9876;&#x70B9;&#x6839;&#x672C;&#x4E0D;&#x53D7;&#x5F71;&#x54CD;&#xFF0C;&#x5B83;&#x4EEC;&#x7684;y&#x503C;&#x59CB;&#x7EC8;&#x4E3A;0&#xFF0C;&#x4E0B;&#x9762;&#x4E24;&#x4E2A;&#x9876;&#x70B9;&#x7684;x&#x5750;&#x6807;&#x503C;&#x66F4;&#x9760;&#x8FD1;width&#x7684;&#x503C;&#xFF0C;&#x5B83;&#x4EEC;&#x6700;&#x540E;&#x8F6C;&#x5411;&#x540C;&#x4E00;&#x4E2A;x&#x503C;&#x3002;</p>
<p><img src="http://qmlbook.org/_images/geniebending.png" alt=""></p>
<pre><code>import QtQuick 2.0

Rectangle {
    width: 480; height: 240
    color: &apos;#1e1e1e&apos;

    Image {
        id: sourceImage
        width: 160; height: width
        source: &quot;assets/lighthouse.jpg&quot;
        visible: false
    }
    Rectangle {
        width: 160; height: width
        anchors.centerIn: parent
        color: &apos;#333333&apos;
    }
    ShaderEffect {
        id: genieEffect
        width: 160; height: width
        anchors.centerIn: parent
        property variant source: sourceImage
        property real minimize: 0.0
        property bool minimized: false


        SequentialAnimation on minimize {
            id: animMinimize
            running: genieEffect.minimized
            PauseAnimation { duration: 300 }
            NumberAnimation { to: 1; duration: 700; easing.type: Easing.InOutSine }
            PauseAnimation { duration: 1000 }
        }

        SequentialAnimation on minimize {
            id: animNormalize
            running: !genieEffect.minimized
            NumberAnimation { to: 0; duration: 700; easing.type: Easing.InOutSine }
            PauseAnimation { duration: 1300 }
        }


        vertexShader: &quot;
            uniform highp mat4 qt_Matrix;
            uniform highp float minimize;
            uniform highp float height;
            uniform highp float width;
            attribute highp vec4 qt_Vertex;
            attribute highp vec2 qt_MultiTexCoord0;
            varying highp vec2 qt_TexCoord0;
            void main() {
                qt_TexCoord0 = qt_MultiTexCoord0;
                // M1&gt;&gt;
                highp vec4 pos = qt_Vertex;
                pos.y = mix(qt_Vertex.y, height, minimize);
                highp float t = pos.y / height;
                pos.x = mix(qt_Vertex.x, width, t * minimize);
                gl_Position = qt_Matrix * pos;
</code></pre><p><strong>&#x66F4;&#x597D;&#x7684;&#x5F2F;&#x66F2;&#xFF08;Better Bending&#xFF09;</strong></p>
<p>&#x73B0;&#x5728;&#x7B80;&#x5355;&#x7684;&#x5F2F;&#x66F2;&#x5E76;&#x4E0D;&#x80FD;&#x771F;&#x6B63;&#x7684;&#x6EE1;&#x8DB3;&#x6211;&#x4EEC;&#x7684;&#x8981;&#x6C42;&#xFF0C;&#x6211;&#x4EEC;&#x5C06;&#x6DFB;&#x52A0;&#x51E0;&#x4E2A;&#x90E8;&#x4EF6;&#x6765;&#x63D0;&#x5347;&#x5B83;&#x7684;&#x6548;&#x679C;&#x3002;&#x9996;&#x5148;&#x6211;&#x4EEC;&#x589E;&#x52A0;&#x52A8;&#x753B;&#xFF0C;&#x652F;&#x6301;&#x4E00;&#x4E2A;&#x81EA;&#x5B9A;&#x4E49;&#x7684;&#x5F2F;&#x66F2;&#x5C5E;&#x6027;&#x3002;&#x8FD9;&#x662F;&#x975E;&#x5E38;&#x5FC5;&#x8981;&#x7684;&#xFF0C;&#x7531;&#x4E8E;&#x5F2F;&#x66F2;&#x7ACB;&#x5373;&#x53D1;&#x751F;&#xFF0C;y&#x503C;&#x7684;&#x6700;&#x5C0F;&#x5316;&#x9700;&#x8981;&#x88AB;&#x63A8;&#x8FDF;&#x3002;&#x4E24;&#x4E2A;&#x52A8;&#x753B;&#x5728;&#x540C;&#x4E00;&#x6301;&#x7EED;&#x65F6;&#x95F4;&#x8BA1;&#x7B97;&#x603B;&#x548C;&#xFF08;300+700+100&#x4E0E;700+1300&#xFF09;&#x3002;</p>
<pre><code>        property real bend: 0.0
        property bool minimized: false


        // change to parallel animation
        ParallelAnimation {
            id: animMinimize
            running: genieEffect.minimized
            SequentialAnimation {
                PauseAnimation { duration: 300 }
                NumberAnimation {
                    target: genieEffect; property: &apos;minimize&apos;;
                    to: 1; duration: 700;
                    easing.type: Easing.InOutSine
                }
                PauseAnimation { duration: 1000 }
            }
            // adding bend animation
            SequentialAnimation {
                NumberAnimation {
                    target: genieEffect; property: &apos;bend&apos;
                    to: 1; duration: 700;
                    easing.type: Easing.InOutSine }
                PauseAnimation { duration: 1300 }
            }
        }
</code></pre><p>&#x6B64;&#x5916;&#xFF0C;&#x4E3A;&#x4E86;&#x4F7F;&#x5F2F;&#x66F2;&#x66F4;&#x52A0;&#x5E73;&#x6ED1;&#xFF0C;&#x4E0D;&#x518D;&#x4F7F;&#x7528;y&#x503C;&#x5F71;&#x54CD;x&#x503C;&#x7684;&#x5F2F;&#x66F2;&#x51FD;&#x6570;&#xFF0C;pos.x&#x73B0;&#x5728;&#x4F9D;&#x8D56;&#x65B0;&#x7684;&#x5F2F;&#x66F2;&#x5C5E;&#x6027;&#x52A8;&#x753B;&#xFF1A;</p>
<pre><code>highp float t = pos.y / height;
t = (3.0 - 2.0 * t) * t * t;
pos.x = mix(qt_Vertex.x, width, t * bend);
</code></pre><p>&#x5F2F;&#x66F2;&#x4ECE;0.0&#x5E73;&#x6ED1;&#x5F00;&#x59CB;&#xFF0C;&#x9010;&#x6E10;&#x52A0;&#x5FEB;&#xFF0C;&#x5728;1.0&#x65F6;&#x9010;&#x6E10;&#x5E73;&#x6ED1;&#x3002;&#x4E0B;&#x9762;&#x662F;&#x8FD9;&#x4E2A;&#x51FD;&#x6570;&#x5728;&#x6307;&#x5B9A;&#x8303;&#x56F4;&#x5185;&#x7684;&#x66F2;&#x7EBF;&#x56FE;&#x3002;&#x5BF9;&#x4E8E;&#x6211;&#x4EEC;&#xFF0C;&#x53EA;&#x9700;&#x8981;&#x5173;&#x6CE8;0&#x5230;1&#x7684;&#x533A;&#x95F4;&#x3002;</p>
<p><img src="http://qmlbook.org/_images/curve.png" alt=""></p>
<p>&#x60F3;&#x8981;&#x83B7;&#x5F97;&#x6700;&#x5927;&#x5316;&#x7684;&#x89C6;&#x89C9;&#x6539;&#x53D8;&#xFF0C;&#x9700;&#x8981;&#x589E;&#x52A0;&#x6211;&#x4EEC;&#x7684;&#x9876;&#x70B9;&#x6570;&#x91CF;&#x3002;&#x53EF;&#x4EE5;&#x4F7F;&#x7528;&#x7F51;&#x773C;&#xFF08;mesh&#xFF09;&#x6765;&#x589E;&#x52A0;&#x9876;&#x70B9;&#xFF1A;</p>
<pre><code>mesh: GridMesh { resolution: Qt.size(16, 16) }
</code></pre><p>&#x73B0;&#x5728;ShaderEffect&#x88AB;&#x5206;&#x5E03;&#x4E3A;16x16&#x9876;&#x70B9;&#x7684;&#x7F51;&#x683C;&#xFF0C;&#x66FF;&#x6362;&#x4E86;&#x4E4B;&#x524D;2x2&#x7684;&#x9876;&#x70B9;&#x3002;&#x8FD9;&#x6837;&#x9876;&#x70B9;&#x4E4B;&#x95F4;&#x7684;&#x63D2;&#x503C;&#x5C06;&#x4F1A;&#x770B;&#x8D77;&#x6765;&#x66F4;&#x52A0;&#x5E73;&#x6ED1;&#x3002;</p>
<p><img src="http://qmlbook.org/_images/geniesmoothbending.png" alt=""></p>
<p>&#x4F60;&#x53EF;&#x4EE5;&#x770B;&#x89C1;&#x66F2;&#x7EBF;&#x7684;&#x53D8;&#x5316;&#xFF0C;&#x5728;&#x6700;&#x540E;&#x8BA9;&#x5F2F;&#x66F2;&#x53D8;&#x5F97;&#x975E;&#x5E38;&#x5E73;&#x6ED1;&#x3002;&#x8FD9;&#x8BA9;&#x5F2F;&#x66F2;&#x6709;&#x4E86;&#x66F4;&#x52A0;&#x5F3A;&#x5927;&#x7684;&#x6548;&#x679C;&#x3002;</p>
<p><strong>&#x4FA7;&#x9762;&#x6536;&#x7F29;&#xFF08;Choosing Sides&#xFF09;</strong></p>
<p>&#x6700;&#x540E;&#x4E00;&#x4E2A;&#x589E;&#x5F3A;&#xFF0C;&#x6211;&#x4EEC;&#x5E0C;&#x671B;&#x80FD;&#x591F;&#x6536;&#x7F29;&#x8FB9;&#x754C;&#x3002;&#x8FB9;&#x754C;&#x671D;&#x7740;&#x5438;&#x6536;&#x7684;&#x70B9;&#x6D88;&#x5931;&#x3002;&#x76F4;&#x5230;&#x73B0;&#x5728;&#x5B83;&#x603B;&#x662F;&#x5728;&#x671D;&#x7740;width&#x503C;&#x7684;&#x70B9;&#x6D88;&#x5931;&#x3002;&#x6DFB;&#x52A0;&#x4E00;&#x4E2A;&#x8FB9;&#x754C;&#x5C5E;&#x6027;&#xFF0C;&#x6211;&#x4EEC;&#x80FD;&#x591F;&#x4FEE;&#x6539;&#x8FD9;&#x4E2A;&#x70B9;&#x5728;0&#x5230;width&#x4E4B;&#x95F4;&#x3002;</p>
<pre><code>ShaderEffect {
    ...
    property real side: 0.5

    vertexShader: &quot;
        ...
        uniform highp float side;
        ...
        pos.x = mix(qt_Vertex.x, side * width, t * bend);
    &quot;
}
</code></pre><p><img src="http://qmlbook.org/_images/geniehalfside.png" alt=""></p>
<p><strong>&#x5305;&#x88C5;&#xFF08;Packing&#xFF09;</strong></p>
<p>&#x6700;&#x540E;&#x5C06;&#x6211;&#x4EEC;&#x7684;&#x6548;&#x679C;&#x5305;&#x88C5;&#x8D77;&#x6765;&#x3002;&#x5C06;&#x6211;&#x4EEC;&#x5438;&#x6536;&#x6548;&#x679C;&#x7684;&#x4EE3;&#x7801;&#x63D0;&#x53D6;&#x5230;&#x4E00;&#x4E2A;&#x53EB;&#x505A;GenieEffect&#x7684;&#x81EA;&#x5B9A;&#x4E49;&#x7EC4;&#x4EF6;&#x4E2D;&#x3002;&#x5B83;&#x4F7F;&#x7528;ShaderEffect&#x4F5C;&#x4E3A;&#x6839;&#x5143;&#x7D20;&#x3002;&#x79FB;&#x9664;&#x6389;MouseArea&#xFF0C;&#x8FD9;&#x4E0D;&#x5E94;&#x8BE5;&#x653E;&#x5728;&#x7EC4;&#x4EF6;&#x4E2D;&#x3002;&#x7ED1;&#x5B9A;minimized&#x5C5E;&#x6027;&#x6765;&#x89E6;&#x53D1;&#x6548;&#x679C;&#x3002;</p>
<pre><code>import QtQuick 2.0

ShaderEffect {
    id: genieEffect
    width: 160; height: width
    anchors.centerIn: parent
    property variant source
    mesh: GridMesh { resolution: Qt.size(10, 10) }
    property real minimize: 0.0
    property real bend: 0.0
    property bool minimized: false
    property real side: 1.0


    ParallelAnimation {
        id: animMinimize
        running: genieEffect.minimized
        SequentialAnimation {
            PauseAnimation { duration: 300 }
            NumberAnimation {
                target: genieEffect; property: &apos;minimize&apos;;
                to: 1; duration: 700;
                easing.type: Easing.InOutSine
            }
            PauseAnimation { duration: 1000 }
        }
        SequentialAnimation {
            NumberAnimation {
                target: genieEffect; property: &apos;bend&apos;
                to: 1; duration: 700;
                easing.type: Easing.InOutSine }
            PauseAnimation { duration: 1300 }
        }
    }

    ParallelAnimation {
        id: animNormalize
        running: !genieEffect.minimized
        SequentialAnimation {
            NumberAnimation {
                target: genieEffect; property: &apos;minimize&apos;;
                to: 0; duration: 700;
                easing.type: Easing.InOutSine
            }
            PauseAnimation { duration: 1300 }
        }
        SequentialAnimation {
            PauseAnimation { duration: 300 }
            NumberAnimation {
                target: genieEffect; property: &apos;bend&apos;
                to: 0; duration: 700;
                easing.type: Easing.InOutSine }
            PauseAnimation { duration: 1000 }
        }
    }

    vertexShader: &quot;
        uniform highp mat4 qt_Matrix;
        attribute highp vec4 qt_Vertex;
        attribute highp vec2 qt_MultiTexCoord0;
        uniform highp float height;
        uniform highp float width;
        uniform highp float minimize;
        uniform highp float bend;
        uniform highp float side;
        varying highp vec2 qt_TexCoord0;
        void main() {
            qt_TexCoord0 = qt_MultiTexCoord0;
            highp vec4 pos = qt_Vertex;
            pos.y = mix(qt_Vertex.y, height, minimize);
            highp float t = pos.y / height;
            t = (3.0 - 2.0 * t) * t * t;
            pos.x = mix(qt_Vertex.x, side * width, t * bend);
            gl_Position = qt_Matrix * pos;
        }&quot;
}
</code></pre><p>&#x4F60;&#x73B0;&#x5728;&#x53EF;&#x4EE5;&#x50CF;&#x8FD9;&#x6837;&#x7B80;&#x5355;&#x7684;&#x4F7F;&#x7528;&#x8FD9;&#x4E2A;&#x6548;&#x679C;&#xFF1A;</p>
<pre><code>import QtQuick 2.0

Rectangle {
    width: 480; height: 240
    color: &apos;#1e1e1e&apos;

    GenieEffect {
        source: Image { source: &apos;assets/lighthouse.jpg&apos; }
        MouseArea {
            anchors.fill: parent
            onClicked: parent.minimized = !parent.minimized
        }
    }
}
</code></pre><p>&#x6211;&#x4EEC;&#x7B80;&#x5316;&#x4E86;&#x4EE3;&#x7801;&#xFF0C;&#x79FB;&#x9664;&#x4E86;&#x80CC;&#x666F;&#x77E9;&#x5F62;&#x6846;&#xFF0C;&#x76F4;&#x63A5;&#x4F7F;&#x7528;&#x56FE;&#x7247;&#x5B8C;&#x6210;&#x6548;&#x679C;&#xFF0C;&#x66FF;&#x6362;&#x4E86;&#x5728;&#x4E00;&#x4E2A;&#x5355;&#x72EC;&#x7684;&#x56FE;&#x50CF;&#x5143;&#x7D20;&#x4E2D;&#x52A0;&#x8F7D;&#x5B83;&#x3002;</p>

                                
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